Hugh has a stamp in his collection that his grandfather purchased for 24 cents. The value of the stamp is now 300% of the original value. What is the current value of the stamp?

Where m is the slope of the line and b is the y-intercept of the line, or the y-coordinate of the point at which the line crosses the y-axis. to write an equation in slope-intercept form, given a graph of that equation, pick two points on the line and use them to find the slope. this is the value of m in the equation.